"Without being by any means a libertarian, I do think that people of a left-wing orientation sometimes give short shrift to the non-pecuniary aspects of economic freedom. Whether or not you buy that barber licensing rules are a big deal economically, the specter of the government throwing a person in jail for participating in an exchange of haircuts for money between consenting adults should bother liberally inclined people for basically the same reasons that all random state interference in the conduct of private life is bothersome." - Michael Nielsen